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All Journal Jambura Journal of Mathematics Milang Journal of Mathematics and Its Applications
N. K. Kutha Ardana
IPB University
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Mathematics

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Perbandingan Metode KNN, Naive Bayes, dan Regresi Logistik Binomial dalam Pengklasifikasian Status Ekonomi Negara N. K. Kutha Ardana; Ruhiyat Ruhiyat; Nurfatimah Amany; Teofilus Kevin Irawan; Raymond Raymond; Rizalius Karunia; Syifa Fauzia
Jambura Journal of Mathematics Vol 5, No 2: August 2023
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jjom.v5i2.21103

Abstract

The classification of a country's economic status as developed or developing often involves factors such as life expectancy and its underlying variables. This research aims to compare the performance of three machine learning algorithms, namely KNN (K-Nearest Neighbors), naive Bayes, and binomial logistic regression, in classifying the economic status of countries as developed or developing. The data used in this study is "Life Expectancy (WHO) Fixed," obtained from the Kaggle website. The first statistical analysis conducted was Principal Component Analysis (PCA) using 16 predictor variables. PCA resulted in three principal components capable of explaining 71.41% of the variance, which were subsequently used in the KNN, naive Bayes, and binomial logistic regression methods. The analysis results from the KNN, naive Bayes, and binomial logistic regression methods produced F1-scores of 100\%, 98.19%, and 97.36%, respectively.
PENERAPAN MODEL PERSAMAAN STRUKTURAL UNTUK EVALUASI KUALITAS KINERJA BIMBINGAN KONSELING SMA NEGERI 1 DRAMAGA Akmal Taufik; Budi Suharjo; Hadi Sumarno; N. K. Kutha Ardana; Abdur Rohman; Ali Kusnanto; Paian Sianturi
MILANG Journal of Mathematics and Its Applications Vol. 20 No. 1 (2024): MILANG Journal of Mathematics and Its Applications
Publisher : Dept. of Mathematics, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/milang.20.1.31-42

Abstract

Bimbingan konseling (BK) pada jenjang pendidikan SMA memiliki peran penting dalam memberikan layanan konsultasi akademik maupun non akademik kepada para siswa. Oleh karenanya, kemampuan dan kepribadian guru BK, serta fasilitas penunjang yang memadai sangat diperlukan. Penelitian ini bertujuan membangun model empiris untuk mengevaluasi kinerja layanan BK berbasis kepuasan siswa, terhadap faktor-faktor yang memengaruhi kualitas kinerja BK SMA Negeri 1 Dramaga. Penelitian ini melibatkan 125 siswa dengan cara mengisi kuesioner secara online. Pendugaan parameter model dilakukan menggunakan Structural Equation Model (SEM). Tingkat kepuasan siswa secara keseluruhan terhadap layanan BK sebesar 94%. Kemampuan Guru BK dan program kerja konsultasi memiliki peran dominan dalam memengaruhi kepuasan. Layanan informasi BK berpengaruh positif terhadap kepuasan, sedangkan faktor kepribadian, fasilitas ruang diskusi, dan program kerja klasikal berpengaruh negatif terhadap kepuasan siswa. Upaya untuk meningkatkan kualitas kinerja BK SMA Negeri 1 Dramaga diprioritaskan melalui peningkatan kinerja program kerja klasikal dengan memperbaiki kualitas penyampaian informasi seputar perguruan tinggi.
Co-Authors Abdur Rohman Akmal Taufik Ali Kusnanto Budi Suharjo Hadi Sumarno Nurfatimah Amany Paian Sianturi Raymond Raymond Rizalius Karunia Ruhiyat Syifa Fauzia Teofilus Kevin Irawan